01 Simple

04:08:20 Create new Spreadsheet object
04:08:20 Set document properties
04:08:20 Add some data
04:08:20 Rename worksheet
04:08:20 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
04:08:20 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0017 seconds
04:08:20 Peak memory usage: 2MB